Ch04 Variability

Question 0

Range

Answer 0

distance covered by scores in a distribution

continuous: upper real limit minus lower real limit (values from 1 - 5 -> 5.5 - 0.5 = r = 5)

when all whole numbers: largest score - smallest score + 1

Question 1

Variability

Answer 1

provides a quantitative measure of the differences between scores in a distribution and describes the degree to which the scores are spread out or clustered